# Calendar Week Nerd vs Weeklet

The clearest difference is in-app purchases: Weeklet at none against Calendar Week Nerd's 3. Calendar Week Nerd's advantage is update cadence (every 2 weeks vs every 5 months) and iOS requirement (18.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Calendar Week Nerd sells 3 in-app purchases, starting at $1.99 per month. Weeklet asks for nothing beyond the download.

Calendar Week Nerd ships an update every 2 weeks, Weeklet every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calendar Week Nerd | Weeklet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calendar-week-nerd/id6744461822/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Freemium | — |
| Size | 161 MB | 13 MB |
| Requires iOS | **18.4** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Balthasar Siekiera](https://appshunter.io/developer/1805185275) | [Hiroaki Matsuno](https://appshunter.io/developer/1729659390) |

## What reviewers say

### Calendar Week Nerd

[App page](https://appshunter.io/ios/app/calendar-week-nerd/id6744461822)

This app offers customizable widgets for your home and lock screens, allowing you to track week progress and navigate your calendar. It supports Apple Watch complications and various custom week setups, including ISO and fiscal years.

**Highlights:** Home and lock screen widgets, Custom week start day, ISO and fiscal year week numbering, Apple Watch app and complications, Direct calendar navigation, Yearly progress arcs

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalendarWeekNerd+ Monthly | $1.99 | per month |
| CalendarWeekNerd Plus Yearly | $9.99 | per year |
| CalendarWeekNerd+ Lifetime | $29.99 | one-time |


### Weeklet

[App page](https://appshunter.io/ios/app/weeklet-week-number/id6745425508)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Week Nerd free?

Calendar Week Nerd is free to download, with in-app purchases available.

### Is Weeklet free?

Weeklet is free to download, with no in-app purchases.

### Do Calendar Week Nerd or Weeklet have ads?

Neither Calendar Week Nerd nor Weeklet shows ads.

### Which is updated more often, Calendar Week Nerd or Weeklet?

Calendar Week Nerd ships an update every 2 weeks, and Weeklet every 5 months. Most recently, Calendar Week Nerd was updated on October 24, 2026 and Weeklet on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*